/***********************************************************************/
/* Open Visualization Data Explorer                                    */
/* (C) Copyright IBM Corp. 1989,1999                                   */
/* ALL RIGHTS RESERVED                                                 */
/* This code licensed under the                                        */
/*    "IBM PUBLIC LICENSE - Open Visualization Data Explorer"          */
/***********************************************************************/

#include <dxconfig.h>
#include "../base/defines.h"

#ifndef _UndoCommand_h
#define _UndoCommand_h

#include "NoUndoCommand.h"

//
// Class name definition:
//
#define ClassUndoCommand "UndoCommand"

//
// UndoCommand class definition:
//
class UndoCommand : public NoUndoCommand
{
 protected:
  //
  //
  //
  virtual boolean doIt( CommandInterface* ci );

 public:
  //
  // Constructor:
  //
  UndoCommand( const char* name, CommandScope* scope );

  //
  // Destructor:
  //
  ~UndoCommand()
  {
  }

  //
  // Override of superclass registerScope():
  //   Calls superclass function() then registers
  //   this command as the scope's undo command.
  //
  boolean registerScope( CommandScope* scope );

  //
  // Override of superclass registerScope():
  //   Calls superclass function() then unregisters
  //   this command as the scope's undo command.
  //
  boolean unregisterScope( CommandScope* scope );

  //
  // Returns a pointer to the class name.
  //
  const char* getClassName()
  {
    return ClassUndoCommand;
  }
};

#endif  // _UndoCommand_h
